sieve
美 [sɪv] 
英 [sɪv] 
- v.筛;滤;过筛
 - n.筛子;滤器;笊篱;漏勺
 - 网络滤网;筛网;过滤
 
复数:sieves  过去分词:sieved  现在分词:sieving  
v.
sift,filter,separate,strain
n.
strainer,mesh,riddle,screen,sifter
sieve
1.  | 滤器;筛子;笊篱;漏勺a tool for separating solids from liquids or larger solids from smaller solids, made of a wire or plastic net attached to a ring. The liquid or small pieces pass through the net but the larger pieces do not.  | 
IDM
have a memory/mind like a sieve
(informal)
记性差;健忘to have a very bad memory; to forget things easily